EP4711692A1 - Hydraulic module and heat pump system - Google Patents

Hydraulic module and heat pump system

Info

Publication number
EP4711692A1
EP4711692A1 EP24830640.9A EP24830640A EP4711692A1 EP 4711692 A1 EP4711692 A1 EP 4711692A1 EP 24830640 A EP24830640 A EP 24830640A EP 4711692 A1 EP4711692 A1 EP 4711692A1
Authority
EP
European Patent Office
Prior art keywords
pipe
water
plate body
pipeline
hydraulic module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24830640.9A
Other languages
German (de)
French (fr)
Inventor
Linmin ZHAN
Yang Li
Hongwei Li
Haobiao LI
Yongliang Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Heating and Ventilating Equipment Co Ltd
Hefei Midea Heating and Ventilating Equipment Co Ltd
Original Assignee
GD Midea Heating and Ventilating Equipment Co Ltd
Hefei Midea Heating and Ventilating Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202321715793.6U external-priority patent/CN221122580U/en
Priority claimed from CN202321715507.6U external-priority patent/CN220303936U/en
Priority claimed from CN202321715829.0U external-priority patent/CN220303937U/en
Priority claimed from CN202310803491.2A external-priority patent/CN119222838B/en
Application filed by GD Midea Heating and Ventilating Equipment Co Ltd, Hefei Midea Heating and Ventilating Equipment Co Ltd filed Critical GD Midea Heating and Ventilating Equipment Co Ltd
Publication of EP4711692A1 publication Critical patent/EP4711692A1/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00Other domestic- or space-heating systems
    • F24D15/04Other domestic- or space-heating systems using heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00Fluid heaters characterised by the use of heat pumps
    • F24H4/02Water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00Details of evaporators; Details of condensers
    • F25B2339/04Details of condensers
    • F25B2339/047Water-cooled condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A hydraulic module (10) and a heat pump system. The hydraulic module (10) comprises an expansion vessel (200), a heat exchange device (300), a water tank (400) and a water pump (500); the expansion vessel (200) is provided with an expansion port (210); the heat exchange device (300) is provided with a first water inlet (310a) and a first water outlet (320a); the water tank (400) is provided with a second water inlet (410a) and a second water outlet (420a); the water pump (500) is provided with a water pumping end (510). In the direction of gravity (G), the water pump (500) is located below the water tank (400), the expansion vessel (200) is located above the heat exchange device (300), the expansion port (210) of the expansion vessel (200) is in communication with the first water inlet (310a), the first water inlet (310a) is lower than the first water outlet (320a), the first water outlet (320a) is in communication with the second water inlet (410a), the first water outlet (320a) is lower than the second water inlet (410a) or is even with the second water inlet (410a), the second water inlet (410a) is lower than the second water outlet (420a), and the second water outlet (420a) is in communication with the water pumping end (510) of the water pump (500).

Description

    CROSS REFERENCE TO RELATED APPLICATIONS
  • The present application claims priority to the following Chinese Patent Applications:
    • No. 2023108034912 filed on June 30, 2023 , titled "HYDRAULIC MODULE AND HEAT PUMP SYSTEM";
    • No. 2023217155076 filed on June 30, 2023 , titled "HYDRAULIC MODULE AND HEAT PUMP SYSTEM";
    • No. 2023217157936 filed on June 30, 2023 , titled "HYDRAULIC MODULE AND HEAT PUMP SYSTEM"; and
    • No. 2023217158290 filed on June 30, 2023 , titled "HYDRAULIC MODULE AND HEAT PUMP SYSTEM".
  • The entire contents of the above applications are incorporated herein by reference.
  • TECHNICAL FIELD
  • The present application relates to the field of heat pump system technology, and in particular to a hydraulic module and a heat pump system.
  • BACKGROUND
  • Belonging to a part of a heat pump system and serving as a place where water exchanges heat with refrigerant, a hydraulic module mainly includes components such as a heat exchange device, a small water tank heater, a water pump, an expansion vessel, a temperature controller, and an electric control box. These components are mounted in the internal space of a casing and communicate with each other through pipelines. The internal space of the casing is relatively small, so the components in the internal space of the casing are compactly arranged, and the pipelines need to change directions for many times. As a result, water inside the hydraulic module is often unable to fully drain out, and residual water may easily cause corrosion to internal structures of the components.
  • SUMMARY
  • Embodiments of the present application provide a hydraulic module and a heat pump system, which can solve a problem that the water inside the hydraulic module is difficult to drain out.
  • In a first aspect, the embodiments of the present application provide a hydraulic module, which includes:
    • an expansion vessel having an expansion port;
    • a heat exchange device having a first water inlet and a first water outlet;
    • a water tank having a second water inlet and a second water outlet; and
    • a water pump having a suction end.
  • In a direction of gravity, the water pump is positioned below the water tank, and the expansion vessel is positioned above the heat exchange device, wherein the expansion port of the expansion vessel communicates with the first water inlet. The first water inlet is lower than the first water outlet, the first water outlet communicates with the second water inlet, and the first water outlet is lower than or flush with the second water inlet, the second water inlet is lower than the second water outlet, and the second water outlet communicates with the suction end of the water pump.
  • In some exemplary embodiments, in a horizontal direction, both the first water inlet and the first water outlet are oriented towards a side where the water tank is located, and both the second water inlet and the second water outlet are oriented towards a side where the heat exchange device is located.
  • In some exemplary embodiments, in the direction of gravity, the first water inlet and the first water outlet are arranged side by side along a first straight line, and the second water inlet and the second water outlet are arranged side by side along a second straight line.
  • In some exemplary embodiments, the hydraulic module further includes:
    a transition pipe communicating with the first water outlet and the second water inlet, wherein the transition pipe is a straight transition pipe, an axial direction of the straight transition pipe is perpendicular to the first straight line and the second straight line, and a central axis of the straight transition pipe is positioned in a plane defined by the first straight line and the second straight line.
  • In some exemplary embodiments, the hydraulic module further includes:
    • a transition pipe communicating with the first water outlet and the second water inlet; and
    • a water tank diversion pipe comprising a first straight pipe, a second straight pipe, and a third straight pipe.
  • An axial direction of the first straight pipe is perpendicular to the first straight line, and the first straight pipe is connected to the second water outlet. The second straight pipe is connected to the first straight pipe, and the second straight pipe extends from the first straight pipe in a direction parallel to the first straight line to pass through an outer side of the transition pipe and extends to connect to the third straight pipe. The third straight pipe extends from the second straight pipe in a direction angled to the first straight line to connect to the suction end of the water pump.
  • In some exemplary embodiments, the second straight pipe has one end directly connected to the first straight pipe, and the other end directly connected to the third straight pipe; or
    the water tank diversion pipe further comprises a first connecting pipe section connected between the first straight pipe and the second straight pipe and a second connecting pipe section connected between the second straight pipe and the third straight pipe, wherein the first connecting pipe section is a straight pipe or a bent pipe, and the second connecting pipe section is a straight pipe or a bent pipe.
  • In some exemplary embodiments, the hydraulic module further includes:
    a casing including a peripheral side wall, wherein the peripheral side wall includes a front side wall and a rear side wall, the front side wall may be opened or closed; and the second straight pipe is arranged between the transition pipe and the rear side wall.
  • In some exemplary embodiments, the hydraulic module further includes:
    an expansion diversion pipe having a first pipe section and a second pipe section, wherein the second pipe section is arranged on the first pipe section, and internal flow passages of the first pipe section and the second pipe section communicate with each other, the second pipe section communicates with the first water inlet, the first pipe section has one end communicating with the expansion port of the expansion vessel and the other end communicating with an external water source.
  • In some exemplary embodiments, in the direction of gravity, the expansion port of the expansion vessel is oriented towards a side where the heat exchange device is located; and the hydraulic module further includes:
    • a transition pipe communicating with the first water outlet and the second water inlet; and
    • an expansion pipe connected to the expansion port and extending from the expansion port to pass through an outer side of the transition pipe and extending to connect to the first pipe section.
  • In some exemplary embodiments, the hydraulic module further includes:
    • a pressure gauge arranged at one end of the first pipe section communicating with the expansion port of the expansion vessel; and
    • a pressure relief valve arranged at one end of the first pipe section communicating with the external water source.
  • In some exemplary embodiments, the heat exchange device further includes:
    • a refrigerant inlet arranged adjacent to the first water outlet; and
    • a refrigerant outlet arranged adjacent to the first water inlet, wherein in a horizontal direction, both the refrigerant inlet and the refrigerant outlet are oriented towards a side where the water tank is located, and in the direction of gravity, the refrigerant inlet and the refrigerant outlet are arranged side by side along a third straight line.
  • In some exemplary embodiments, the hydraulic module further includes:
    • a casing having an accommodating cavity, wherein the expansion vessel, the heat exchange device, the water tank and the water pump are all arranged in the accommodating cavity, and the casing comprises a bottom wall having a plurality of pipeline installation openings;
    • a refrigerant input pipe communicating with the refrigerant inlet;
    • a refrigerant output pipe communicating with the refrigerant outlet; and
    • an expansion diversion pipe communicating with the first water inlet;
  • The water pump has a discharge end communicating with outside, wherein each of the discharge end, the refrigerant input pipe, the refrigerant output pipe and the expansion diversion pipe corresponds to one of the plurality of pipeline installation openings.
  • In a second aspect, the embodiments of the present application provide a heat pump system, which includes the hydraulic module as described above.
  • Based on the hydraulic module and the heat pump system of the embodiments of the present application, when it is required to drain out water inside the hydraulic module, the water in a water storage chamber of the water tank can flow out through the second water inlet, the first water outlet, a water conveyance flow passage and the first water inlet in sequence under the action of gravity. The second water outlet communicating with the water pump is also positioned above the water pump in the direction of gravity, and the water flow inside a structural member communicating with the second water outlet and the suction end of the water pump also drains out more conveniently under the action of gravity. In addition, the water tank adopts a bottom-fed and top-discharged water supply pattern. When the water in the water storage chamber is heated, the water is stored in a lower region of the water storage chamber, which can reduce the risk of drying the water out and improve the safety of use.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • To describe the technical solutions of the embodiments of the present application or those of the prior art more clearly, the accompanying drawings required for describing the embodiments or the prior art will be briefly introduced below. Apparently, the accompanying drawings in the following description are merely some embodiments of the present application. To those of ordinary skills in the art, other accompanying drawings may also be derived from these accompanying drawings without creative efforts.
    • FIG. 1 is a schematic structural diagram of a hydraulic module according to an embodiment of the present application;
    • FIG. 2 is a schematic structural diagram in which functional components are mounted in a casing according to an embodiment of the present application;
    • FIG. 3 is a schematic exploded view of the functional components according to an embodiment of the present application;
    • FIG. 4 is a schematic structural diagram in which the functional components are assembled according to an embodiment of the present application;
    • FIG. 5 is a schematic structural diagram of a pipeline docking assembly according to an embodiment of the present application;
    • FIG. 6 is a schematic structural diagram in which a heat-insulating support member is mounted on the functional components according to an embodiment of the present application;
    • FIG. 7 is a schematic structural diagram of each plate body of the heat-insulating support member according to an embodiment of the present application; and
    • FIG. 8 is a schematic structural diagram of a water receiving tray according to an embodiment of the present application.
    Reference numerals in the accompanying drawings:
    • hydraulic module 10; first straight line A; second straight line B; third straight line C;
    • casing 100; accommodating cavity 100a; top wall 110; bottom wall 120; peripheral side wall 130; rear side wall 131;
    • mounting plate body 140; docking opening 140a; protruding portion 141; water receiving main body portion 142; water drainage opening 142a; folding portion 143; water collection groove 140c; first mounting plate body 1401; second mounting plate body 1402;
    • expansion vessel 200; expansion port 210;
    • heat exchange device 300; first water inlet 310a; first water inlet connection port 310; first water outlet 320a; first water outlet connection port 320; refrigerant input connection port 330; refrigerant output connection port 340;
    • water tank 400; second water inlet 410a; second water inlet connection port 410; second water outlet 420a; second water outlet connection port 420;
    • water pump 500; suction end 510; discharge end 520;
    • transition pipe 610; water tank diversion pipe 620; first straight pipe 621; second straight pipe 622; third straight pipe 623; expansion diversion pipe 630; first pipe section 631; second pipe section 632; pipeline connection port 640; connection port flange portion 64; first flange portion 641; second flange portion 642; main pipe body 65; first pipe body 643; second pipe body 644; first connection port 6401; second connection port 6402;
    • expansion pipe 701; pressure gauge 702; pressure relief valve 703; refrigerant input pipe 704; refrigerant output pipe 705; pressure relief pipe 706;
    • electric control box 800;
    • pipeline docking assembly 20; sleeve portion 21; insertion hole 21a; limit hole 21b; insertion portion 22; rigid support portion 221; limit groove 20a; first end wall surface 20b; limit member 23; annular sealing groove 20c;
    • first plate body 31; second plate body 32; third plate body 33; fourth plate body 34; fifth plate body 35; sixth plate body 36; first conforming space 30a; second conforming space 30b; diversion pipe conforming groove 30c; input pipe conforming channel 30d; output pipe conforming channel 30e; heat exchange space 30f; and pump body conforming groove 30h.
    DETAILED DESCRIPTION
  • Detailed description of the present application will further be made with reference to the accompanying drawings and embodiments to make the objectives, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are merely used to explain the present application, and are not intended to limit the present application.
  • A hydraulic module is configured to exchange heat between refrigerant in a refrigerant flow passage and water in a water conveyance flow passage, thereby heating or cooling the water, to output the water at a set temperature and convey the water to a water storage device such as a water tank, or to convey the water to a heat release device such as a floor heating pipe or a radiator.
  • It is found that the inappropriate design layout of components such as a heat exchange device of the hydraulic module, a small water tank heater, a water pump, an expansion vessel, a temperature controller, and an electric control box within a casing is prone to lead to water retention in the internal space of these components, and the residual water may easily cause corrosion to internal structures of these components. For example, during delivery inspection of the hydraulic module, the water inside the hydraulic module should drain out. An extended period elapses before the hydraulic module is put into household use, and thus the residual water is likely to cause corrosion to the components inside the hydraulic module. Therefore, it is necessary to redesign the layout of the components inside the hydraulic module, such that the water in the internal space of the components of the hydraulic module can more fully drain out. On this basis, the embodiments of the present application provide a hydraulic module and a heat pump system.
  • The hydraulic module provided in the embodiments of the present application may be used for air-source water heaters, and may also be used for home heating equipment such as underfloor heating systems and radiators, which is not specifically limited herein. FIGS. 1 to 3 respectively show a schematic structural diagram of a hydraulic module 10 provided according to an embodiment of the present application.
  • The hydraulic module 10 provided in this embodiment of the present application includes a plurality of functional components, which for example include an expansion vessel 200, a heat exchange device 300, a water tank 400, and a water pump 500.
  • The heat exchange device 300 is internally provided with a water conveyance flow passage and a refrigerant flow passage. Fluids having different temperatures flow through the water conveyance flow passage and the refrigerant flow passage, respectively. The fluid in the water conveyance flow passage exchanges heat with the fluid in the refrigerant flow passage to regulate the temperature of the fluid in the water conveyance flow passage. The heat exchange device 300 includes a temperature detection assembly that extends into the water conveyance flow passage. The temperature detection assembly is configured to obtain the temperature of the fluid in the water conveyance flow passage, to regulate the temperature of the fluid in the refrigerant flow passage according to the temperature of the fluid in the water conveyance flow passage, thereby controlling the temperature of the fluid outputted from the water conveyance flow passage to be within a preset temperature range.
  • The water conveyance flow passage has one end that forms a first water inlet 310a, and the other end that forms a first water outlet 320a. The first water inlet 310a is configured to connect an external water source, and a water flow transported by the external water source enters the water conveyance flow passage through the first water inlet 310a and is outputted through the first water outlet 320a. A flow direction of the fluid in the water conveyance flow passage is opposite to a flow direction of the fluid in the refrigerant flow passage, to improve the efficiency of heat exchange between the fluid in the water conveyance flow passage and the fluid in the refrigerant flow passage. The temperature detection assembly is configured to detect the temperature of the water flow at the first water inlet 310a and the first water outlet 320a and the temperature of the water flow adjacent to the first water inlet 310a and the first water outlet 320a, to obtain a temperature state of the water flow in the water conveyance flow passage. The heat exchange device 300 includes a plate heat exchange device 300, and a double-pipe heat exchange device 300, etc.
  • The water tank 400 is provided with a water storage chamber, and the water tank 400 is further provided with a second water inlet 410a and a second water outlet 420a that communicate with the water storage chamber. The water flow enters the water tank 400 through the second water inlet 410a and flows out of the water storage chamber through the second water outlet 420a, wherein part of the water entering the water tank 400 is stored in the water storage chamber. The water tank 400 has a heater, which is configured to heat the water stored in the water storage chamber to regulate the temperature of the water flow outputted through the second water outlet 420a of the water tank 400.
  • The water pump 500 has a suction end 510 and a discharge end 520, wherein the suction end 510 of the water pump 500 is configured to communicate with at least one of the water tank 400 or the heat exchange device 300, and the discharge end 520 of the water pump 500 is configured to communicate with outside. The water flow enters the water pump 500 through the suction end 510 and is outputted to an external structure through the discharge end 520. The water pump 500 is configured to provide power for water conveyance, such that the water in the hydraulic module 10 can flow in the internal space of the water tank 400 and the heat exchange device 300.
  • The expansion vessel 200 has an expansion port 210 for communicating with at least one of the water tank 400 or the heat exchange device 300. The expansion vessel 200 is configured to balance pressure changes of the water in the system caused by temperature changes. When the temperature of the water rises, the volume of the water increases, resulting in an increase in the internal pressure of a water pipe. By the arrangement of the expansion vessel 200, the expanded water in the system can be squeezed into the expansion vessel 200, thereby achieving pressure balance in the water system within a certain range.
  • The first water outlet 320a communicates with the second water inlet 410a, and the second water outlet 420a communicates with the suction end 510 of the water pump 500. The water pump 500 operates to drive the water flow to enter the water conveyance flow passage through the first water inlet 310a, to flow through the first water outlet 320a to the second water inlet 410a and flow into the water storage chamber. The water in the water storage chamber is pumped from the second water outlet 420a to the suction end 510 of the water pump 500. Next, the water in the water pump 500 is supplied to the external structure through the discharge end 520. For example, the discharge end 520 communicates with an underfloor heating pipe of an underfloor heating system.
  • As shown in FIG. 2, in a direction of gravity G, the water pump 500 is positioned below the water tank 400, the expansion vessel 200 is positioned above the heat exchange device 300, the first water inlet 310a is lower than the first water outlet 320a, the first water outlet 320a communicates with the second water inlet 410a, and the first water outlet 320a is lower than the second water inlet 410a. Alternatively, the first water outlet 320a is flush with the second water inlet 410a, the second water inlet 410a is lower than the second water outlet 420a, and the second water outlet 420a communicates with the suction end 510 of the water pump 500. In this way, when it is required to drain the water inside the hydraulic module 10, under the action of gravity, the water in the water storage chamber of the water tank 400 can flow out through the second water inlet 410a, the first water outlet 320a, the water conveyance flow passage, and the first water inlet 310a in sequence. The second water outlet 420a communicating with the water pump 500 is also positioned above the water pump 500 in the direction of gravity G, and the water flow inside a structural member communicating with the second water outlet 420a and the suction end 510 of the water pump 500 drains out more conveniently under the action of gravity. In addition, the water tank 400 adopts a bottom-fed and top-discharged water supply pattern. When the water in the water storage chamber is heated, the water is stored in a lower region of the water storage chamber, which can reduce the risk of drying the water out and improve the safety of use.
  • The expansion port 210 of the expansion vessel 200 communicates with the first water inlet 310a, such that the expansion vessel 200 can also communicate with the water conveyance flow passage of the heat exchange device 300 and the water storage chamber of the water tank 400, thereby balancing the pressure inside the water conveyance flow passage of the heat exchange device 300 and the pressure inside the water storage chamber of the water tank 400. In the direction of gravity G, the first water inlet 310a is positioned in a lower region of the hydraulic module 10. The lower region of the hydraulic module 10 is larger, which facilitates placing structural members for detecting and adjusting the pressure inside the water conveyance flow passage of the heat exchange device 300, making the overall layout of the hydraulic module 10 compact in structure and making it convenient for maintenance and installation.
  • In a horizontal direction, both the first water inlet 310a and the first water outlet 320a are oriented towards a side where the water tank 400 is located, and both the second water inlet 410a and the second water outlet 420a are oriented towards a side where the heat exchange device 300 is located, making it convenient for the first water outlet 320a to communicate with the second water inlet 410a and reducing the number of direction changes of the structural members communicating with the first water outlet 320a and the second water inlet 410a. In addition, this arrangement can also allow the structural members connected to the first water inlet 310a, the first water outlet 320a, the second water inlet 410a and the second water outlet 420a to be positioned between the water tank 400 and the heat exchange device 300 as much as possible, making the overall layout of the hydraulic module 10 compact in structure and reducing the thickness of the hydraulic module 10.
  • The heat exchange device 300 includes a heat exchange box, which is internally provided with the water conveyance flow passage and the refrigerant flow passage. The heat exchange device 300 further includes a first water inlet connection port 310 and a first water outlet connection port 320, wherein the first water inlet connection port 310 has the first water inlet 310a, and the first water outlet connection port 320 has the first water outlet 320a. Both the first water inlet connection port 310 and the first water outlet connection port 320 protrude from an outer surface of the heat exchange box, such that the structural members are connected to the first water inlet connection port 310 and the first water outlet connection port 320. In this way, the first water inlet 310a and the first water outlet 320a communicate with the corresponding structural members.
  • In the direction of gravity G, the first water inlet 310a and the first water outlet 320a are arranged side by side along a first straight line A, such that the first water inlet 310a and the first water outlet 320a are arranged in the same straight line, facilitating the positioning of the structural members connected to the first water inlet 310a and the first water outlet 320a. Furthermore, these structural members can be prevented from interfering with the structural members communicating with the refrigerant flow passage, such that the structural members connected to the heat exchange device 300 are arranged in order, thereby making it convenient for maintenance and installation.
  • The water tank 400 includes a water tank body, which has a water storage chamber. The water tank 400 further includes a second water inlet connection port 410 communicating with the second water inlet 410a and a second water outlet connection port 420 communicating with the second water outlet 420a. Both the second water inlet connection port 410 and the second water outlet connection port 420 protrude from the outer surface of the water tank 400, such that the structural members are arranged on the second water inlet connection port 410 and the second water outlet connection port 420. In this way, the second water inlet 410a and the second water outlet 420a communicate with corresponding structural members.
  • In the direction of gravity G, the second water inlet 410a and the second water outlet 420a are arranged side by side along a second straight line B, such that the second water inlet 410a and the second water outlet 420a are arranged in the same straight line. In this way, it can further improve compactness of the water tank 400 and compactness of the structural members connected to the water tank 400, which helps to reduce the size of the hydraulic module 10.
  • The hydraulic module 10 further includes an integrated pipeline subsystem, which includes a plurality of connecting pipelines. Two functional components of the hydraulic module 10 communicate with each other through at least one connecting pipeline. For example, the first water outlet 320a of the heat exchange device 300 communicates with the second water inlet 410a of the water tank 400 through one or two connecting pipelines; the second water outlet 420a of the water tank 400 communicates with the suction end 510 of the water pump 500 through one or two connecting pipelines. In the present application, the number of the connecting pipelines communicating with the two functional components is not limited, and can be specifically selected according to actual needs.
  • Optionally, one of the connecting pipelines of the integrated pipeline subsystem is a transition pipe 610, which communicates with the first water outlet 320a and the second water inlet 410a. Specifically, the transition pipe 610 has one end that is connected to the first water outlet connection port 320 to communicate with the water conveyance flow passage, and the other end that is connected to the second water inlet connection port 410 to communicate with the water storage chamber.
  • The transition pipe 610 is a straight transition pipe, wherein an axial direction of the straight transition pipe is perpendicular to the first straight line A and the second straight line B. The first water outlet 320a communicates with the second water inlet 410a through the straight transition pipe, such that the water flow smoothly circulates between the first water outlet 320a and the second water inlet 410a, thereby reducing the space occupied by the pipelines communicating with the first water outlet 320a and the second water inlet 410a.
  • Further, a central axis of the straight transition pipe is positioned in a plane defined by the first straight line A and the second straight line B. That is, central axes of the first water outlet 320a, the first water inlet 310a, the second water outlet 420a and the second water inlet 410a are coplanar, such that the water tank 400 and the heat exchange device 300 can be coplanar. This enables the hydraulic module 10 to be compact in structure, and enables the water flow to smoothly flow in the water tank 400, the heat exchange device 300, and the connecting pipelines.
  • At least one connecting pipeline of the integrated pipeline subsystem forms a water tank diversion pipe 620. The water tank diversion pipe 620 has one end that is connected to the second water outlet connection port 420, and the other end that is connected to the suction end 510 of the water pump 500. The second water outlet 420a communicates with the suction end 510 of the water pump 500 through the water tank diversion pipe 620. In the direction of gravity G, the water pump 500 is positioned below the water tank 400, such that the second water inlet 410a and the second water outlet 420a are both higher than the water pump 500. Therefore, the water tank diversion pipe 620 communicating with the second water outlet 420a and the suction end 510 of the water pump 500 also needs to be designed to be longer. The water tank diversion pipe 620 may be formed by splicing two or three sections of connecting pipelines, to make it convenient for assembly.
  • When the water tank diversion pipe 620 is used to communicate the second water outlet 420a with the suction end 510 of the water pump 500, optionally, the water tank diversion pipe 620 extends from the second water outlet 420a to pass through an outer side of the transition pipe 610 and then extend to connect to the suction end 510 of the water pump 500, such that the water tank diversion pipe 620 can also be concentrated between the water tank 400 and the heat exchange device 300 as much as possible, thereby making full use of the installation space. The water tank diversion pipe 620 designed in this way has a multi-section bending structure. Optionally, the water tank diversion pipe 620 includes a first straight pipe 621, a second straight pipe 622 and a third straight pipe 623 connected in sequence. The first straight pipe 621 and the third straight pipe 623 are respectively arranged at an angle to the second straight pipe 622.
  • Specifically, as shown in FIG. 3, an axial direction of the first straight pipe 621 is perpendicular to the second straight line B, and the first straight pipe 621 is connected to the second water outlet 420a. For example, the second water outlet connection port 420 protrudes from the outer surface of the water tank body, the axial direction of the second water outlet connection port 420 is parallel to the axial direction of the straight transition pipe, the first straight pipe 621 is connected to the second water outlet connection port 420, and the axial direction of the first straight pipe 621 is perpendicular to the axial direction of the second water outlet connection port 420. The second straight pipe 622 is connected to the first straight pipe 621. The second straight pipe 622 extends from the first straight pipe 621 in a direction parallel to the second straight line B to pass through the outer side of the transition pipe 610 and extends to connect to the third straight pipe 623. For example, axial directions of the first straight pipe 621, the second straight pipe 622 and the second water outlet connection port 420 are angled to each other. The third straight pipe 623 extends from the second straight pipe 622 in a direction angled to the second straight line B to connect to the suction end 510 of the water pump 500. In this way, the water tank diversion pipe 620 is a two-section bending structure, and a bending angle of the water tank diversion pipe 620 at a bending point can be relatively large, which can facilitate the flow and the smooth drainage of the water.
  • Each of the first straight pipe 621, the second straight pipe 622 and the third straight pipe 623 of the water tank diversion pipe 620 may be formed by a section of connecting pipeline, or the water tank diversion pipe 620 is formed by splicing two sections of connecting pipelines. For example, part of one connecting pipeline forms the first straight pipe 621, the other part of the connecting pipeline is connected to part of the other connecting pipeline to form the second straight pipe 622, and the remaining part of the other connecting pipeline forms the third straight pipe 623. In the present application, the number of the connecting pipelines of the water tank diversion pipe 620 formed by splicing is not limited, and can be specifically selected according to actual needs.
  • In addition, the second straight pipe 622 has one end directly connected to the first straight pipe 621, and the other end directly connected to the third straight pipe 623. Alternatively, the water tank diversion pipe 620 further includes a first connecting pipe section (not shown in the figure) connected between the first straight pipe 621 and the second straight pipe 622 and a second connecting pipe section (not shown in the figure) connected between the second straight pipe 622 and the third straight pipe 623, wherein the first connecting pipe section is a straight pipe or a bent pipe, and the second connecting pipe section is a straight pipe or a bent pipe. When the first connecting pipe section is a straight pipe, the first connecting pipe section is angled to the first straight pipe 621 and the second straight pipe 622, respectively. When the second connecting pipe section is a straight pipe, the second connecting pipe section is angled to the second straight pipe 622 and the third straight pipe 623, respectively.
  • The hydraulic module further includes a casing 100, which includes a top wall 110, a bottom wall 120, and a peripheral side wall 130 connected between the top wall 110 and the bottom wall 120. The peripheral side wall 130, the top wall 110 and the bottom wall 120 jointly define an accommodating cavity 100a. The peripheral side wall 130 includes a front side wall and a rear side wall 131, wherein the front side wall can be opened or closed to facilitate installation and maintenance of components mounted in the accommodating cavity 100a. The second straight pipe 622 is arranged between the transition pipe 610 and the rear side wall 131.
  • One connecting pipeline of the integrated pipeline subsystem forms an expansion diversion pipe 630. The expansion diversion pipe 630 has a first end that communicates with the expansion port 210 of the expansion vessel 200, a second end that communicates with the first water inlet 310a of the heat exchange device 300, and a third end that communicates with an external water source. Water in the external water source enters the water conveyance flow passage from the expansion diversion pipe 630 through the first water inlet 310a. The first water inlet 310a and the expansion port 210 of the expansion vessel 200 communicate with the same expansion diversion pipe 630, such that the pressure inside the water conveyance flow passage and the pressure inside space communicating with the water conveyance flow passage can be balanced by means of the expansion vessel 200.
  • Optionally, the expansion diversion pipe 630 has a first pipe section 631 and a second pipe section 632, wherein the second pipe section 632 is arranged on the first pipe section 631, and internal flow passages of the second pipe section 632 and the first pipe section 631 communicate with each other. The second pipe section 632 communicates with the first water inlet 310a. The first pipe section 631 has one end that communicates with the expansion port 210 of the expansion vessel 200, and the other end that is arranged on the bottom wall 120 of the casing 100 and communicates with the external water source. The expansion diversion pipe 630 includes two sections of pipe bodies, such that the expansion diversion pipe 630 may be formed through integral processing. Optionally, the first pipe section 631 and the second pipe section 632 are integrally injection-molded.
  • Both the first pipe section 631 and the second pipe section 632 are straight pipes, wherein an angle is formed between an axial direction of the second pipe section 632 and an axial direction of the first pipe section 631. For example, the axial direction of the second pipe section 632 is perpendicular to the axial direction of the first pipe section 631; or an acute angle is formed between the axial direction of the second pipe section 632 and the axial direction of part of the first pipe section 631 for communicating with the expansion port 210 of the expansion vessel 200.
  • Optionally, the axial direction of the first pipe section 631 is arranged along the direction of gravity G. The first pipe section 631 has a lower end configured to communicate with the external water source, and an upper end configured to communicate with the expansion port 210 of the expansion vessel 200. The axial direction of the second pipe section 632 is perpendicular to the axial direction of the first pipe section 631, and an open end of the second pipe section 632 is arranged toward the first water inlet 310a.
  • The expansion port 210 of the expansion vessel 200 communicates with the expansion diversion pipe 630. Optionally, the hydraulic module 10 further includes an expansion pipe 701 connected to the expansion port 210, and the expansion pipe 701 extends from the expansion port 210 to pass through an outer side of the transition pipe 610 and further extends to connect to the first pipe section 631 of the expansion diversion pipe 630. For example, the expansion pipe 701 extends from a side of the transition pipe 610 away from the second straight pipe 622 to connect to the first pipe section 631 of the expansion diversion pipe 630.
  • In the direction of gravity G, the expansion port 210 of the expansion vessel 200 is oriented towards a side where the heat exchange device 300 is located, such that the expansion pipe 701 communicates with the expansion port 210 and the expansion diversion pipe 630, thereby reducing the number of bends for the expansion pipe 701.
  • The hydraulic module 10 further includes a pressure gauge 702 arranged on the expansion diversion pipe 630. The pressure gauge 702 is configured to obtain the pressure inside an internal flow passage of the expansion diversion pipe 630, to obtain the pressure inside the water conveyance flow passage and the pressure inside a cavity communicating with the water conveyance flow passage. For example, the pressure gauge 702 is arranged at part of the first pipe section 631 for communicating with the expansion port 210 of the expansion vessel 200.
  • The hydraulic module 10 further includes a pressure relief valve 703 arranged at the expansion diversion pipe 630. The pressure relief valve 703 is configured to relieve the pressure inside the internal flow passage of the expansion diversion pipe 630 when the pressure gauge 702 detects that the pressure inside the internal flow passage of the expansion diversion pipe 630 is higher than a preset pressure, thereby improving the safety of use. For example, the pressure relief valve 703 is arranged at one end of the first pipe section 631 communicating with the external water source.
  • Optionally, the pressure gauge 702 and the pressure relief valve 703 are arranged at a side of the first pipe section 631 away from the second pipe section 632, to prevent the pressure gauge 702, the pressure relief valve 703 and the second pipe section 632 from being mounted closer to each other, thereby avoiding causing inconvenience for disassembly and assembly of the pressure gauge 702 and the pressure relief valve 703.
  • The refrigerant flow passage of the heat exchange device 300 has one end that forms a refrigerant inlet, and the other end that forms a refrigerant outlet. The refrigerant inlet is arranged adjacent to the first water outlet 320a, and the refrigerant outlet is arranged adjacent to the first water inlet 310a, such that the flow direction of the fluid in the refrigerant flow passage is opposite to the flow direction of the fluid in the water conveyance flow passage. In the horizontal direction, both the refrigerant inlet and the refrigerant outlet are oriented towards a side where the water tank 400 is located. In the direction of gravity G, the refrigerant inlet and the refrigerant outlet are arranged side by side along the third straight line C. The refrigerant inlet, the refrigerant outlet, the first water inlet 310a and the first water outlet 320a are provided at the same side, such that the structural members connecting the refrigerant inlet, the refrigerant outlet, the first water inlet 310a and the first water outlet 320a are arranged in order, and are compact in structure.
  • The heat exchange device 300 includes a refrigerant input connection port 330 and a refrigerant output connection port 340, wherein the refrigerant input connection port 330 has a refrigerant inlet, and the refrigerant output connection port 340 has a refrigerant outlet. Both the refrigerant input connection port 330 and the refrigerant output connection port 340 protrude from the outer surface of the main body of the heat exchange device, and the refrigerant input connection port 330, the refrigerant output connection port 340, the first water inlet connection port 310 and the first water outlet connection port 320 are parallel to each other in the axial direction.
  • The hydraulic module 10 further includes a refrigerant input pipe 704 and a refrigerant output pipe 705. The refrigerant input pipe 704 has one end that is connected to the refrigerant inlet, and the other end that communicates with a refrigerant system. The refrigerant output pipe 705 has one end that is connected to the refrigerant outlet, and the other end that communicates with the refrigerant system. Specifically, the refrigerant input pipe 704 is connected to the refrigerant input connection port 330, and the refrigerant output pipe 705 is connected to the refrigerant output connection port 340. The refrigerant system is configured to regulate the temperature of the fluid delivered to the refrigerant flow passage.
  • The hydraulic module 10 further includes a pressure relief pipe 706, wherein the pressure relief pipe 706 has one end that communicates with the pressure relief valve 703, and the other end that communicates with outside atmosphere. For example, one end of the pressure relief pipe 706 is connected to part of the first pipe section 631 adjacent to the pressure relief valve 703; or the pressure relief pipe 706 is connected to the pressure relief valve 703.
  • The bottom wall 120 and the top wall 110 of the casing 100 are arranged opposite to each other in the direction of gravity G and are connected to two opposite ends of the peripheral side wall 130, to define the accommodating cavity 100a. The bottom wall 120 has a plurality of pipeline installation openings, and the water pump 500 also has a discharge end 520. The discharge end 520 of the water pump 500, the refrigerant input pipe 704, the refrigerant output pipe 705, and the expansion diversion pipe 630 respectively correspond to one pipeline installation opening to communicate with an external system. An end of the integrated pipeline subsystem communicating with the external system is integrated into the bottom wall 120, making it convenient for installation and maintenance and compact in structure.
  • The plurality of pipeline installation openings are arranged at intervals in a plane perpendicular to the direction of gravity G, to prevent mutual interference of pipelines when the pipelines pass through the bottom wall 120 to communicate with the external system.
  • In the embodiments of the present application, a region between the plurality of functional components and the casing 100 forms a pipeline accommodating space, and at least part of the pipeline accommodating space is positioned between at least two functional components. A region between the plurality of functional components and at least one of the front side wall, the rear side wall 131, the top wall 110 and the bottom wall 120 forms the pipeline accommodating space. For example, a region between the expansion vessel 200, the heat exchange device 300, the water tank 400, the water pump 500, and the front side wall, the rear side wall 131, the top wall 110 and the bottom wall 120 forms the pipeline accommodating space. At least part of the connecting pipelines is arranged in the pipeline accommodating space. For example, the transition pipe 610, the water tank diversion pipe 620, and the expansion diversion pipe 630 are arranged in the pipeline accommodating space.
  • When the connecting pipelines are arranged in the pipeline accommodating space, because the pipeline accommodating space is narrow and irregular, routing design of the connecting pipelines is difficult, making it inconvenient to disassemble and repair the connecting pipelines, and making it difficult to install the connecting pipelines in place.
  • As shown in FIG. 4, the hydraulic module 10 of the embodiments of the present application further includes a pipeline docking assembly 20. The pipeline docking assembly 20A is formed at a connection between each connecting pipeline arranged in the pipeline accommodating space and one functional component, or at a connection between two adjacent connecting pipelines arranged in the pipeline accommodating space. In the embodiments of the present application, docking of two connecting pipelines or docking of the connecting pipeline and the functional component is achieved by means of the pipeline docking assembly 20, and the splicing and disassembly of complex-routed docking pipelines can be achieved even in a narrow and irregular pipeline accommodating space. In addition, after each functional component is mounted in place, the docking pipelines are spliced, which makes the assembly method of the hydraulic module simpler, thus helping to improve assembly efficiency.
  • The pipeline docking assembly 20 at the connection between the two connecting pipelines is an assembly capable of achieving the docking of the two connecting pipelines; or the pipeline docking assembly 20 at the connection between the two adjacent connecting pipelines is an assembly capable of achieving the docking of the connecting pipelines and the functional component. For example, the docking includes at least one of insertion and clamping. In this way, the connection between the connecting pipeline and the functional component and the connection between the two adjacent connecting pipelines can be completed by directly using the docking, which is convenient for assembly and suitable for assembling the connecting pipeline mounted in a narrow space.
  • As shown in FIG. 5, the pipeline docking assembly 20 includes a sleeve portion 21, an insertion portion 22, and a limit member 23. The sleeve portion 21 and the insertion portion 22 are nested, and the limit member 23 is arranged at a connection between the sleeve portion 21 and the insertion portion 22 to fix the sleeve portion 21 and the insertion portion 22.
  • Specifically, the sleeve portion 21 has an insertion hole 21a and a limit hole 21b, and an extension direction of the limit hole 21b is at an angle to an axial direction of the insertion hole 21a, for example, the extension direction of the limit hole 21b is perpendicular to the axial direction of the insertion hole 21a. The limit hole 21b is spaced apart from the insertion hole 21a, or the limit hole 21b extends to communicate with the insertion hole 21a.
  • The insertion portion 22 is inserted into the insertion hole 21a and seals the insertion hole 21a. Specifically, the insertion portion 22 extends into the insertion hole 21a along the axial direction of the insertion hole 21a and seals the insertion hole 21a. The insertion portion 22 has a limit groove 20a. When the insertion portion 22 is inserted into the insertion hole 21a, the limit hole 21b is docked to the limit groove 20a. The limit member 23 passes through the limit hole 21b and is inserted into the limit groove 20a, such that the limit member 23 is fixed in the limit hole 21b, and the insertion portion 22 is fixed ins the sleeve portion 21, which is simple in assembly.
  • The hydraulic module 10 in the embodiments of the present application is provided with a pipeline docking assembly 20 at a docking point between two connecting pipelines and a pipeline docking assembly 20 at a docking point between the connecting pipeline and the functional component, which is convenient for assembly, especially convenient for assembly at a two-section structure arranged at an angle. In this way, the split design of the pipeline communicating with two functional components can be implemented, making the pipeline structure compact and preventing the pipeline from occupying a larger space due to excessive bending and larger volume. Furthermore, the internal pipeline structure of the hydraulic module 10 is more flexible in design, such that the pipelines are flexibly spliced according to positions of the functional components in the hydraulic module 10, and requirements for position arrangement of various functional components can be met.
  • When the pipeline docking assembly 20 is arranged at the docking point between the connecting pipeline and the functional component, optionally, an end of the connecting pipeline forms the sleeve portion 21, and a connection port of the functional component docked to the connecting pipeline forms the insertion portion 22. During assembly, the end of the connecting pipeline forming the sleeve portion 21 is directly sleeved outside the connection port of the functional component, making it convenient for assembly. In some other embodiments, the end of the connecting pipeline can alternatively form the insertion portion 22, and the connection port of the functional component docked to the connecting pipeline forms the sleeve portion 21.
  • Optionally, a position of the pipeline docking assembly 20 formed at a docking point between the functional component and the connecting pipeline includes: a docking point between the first water inlet connection port 310 and the expansion diversion pipe 630, a docking point between the first water outlet connection port 320 and the transition pipe 610, a docking point between the second water inlet connection port 410 and the transition pipe 610, a docking point between the second water outlet connection port 420 and the water tank diversion pipe 620, a docking point between the suction end 510 of the water pump 500 and the water tank diversion pipe 620, a docking point between the expansion diversion pipe 630 and the pressure relief valve 703, and a docking point between the expansion diversion pipe 630 and the pressure gauge 702. The above merely exemplifies the position of the pipeline docking assembly 20 formed at the docking point between the functional component and the connecting pipeline, but the position of the pipeline docking assembly 20 formed at the docking point between the functional component and the connecting pipeline is not limited thereto. The pipeline docking assembly 20 in the embodiments of the present application can also be formed by another functional component and connecting pipeline in the present application.
  • When the pipeline docking assembly 20 is arranged at the docking point between the two connecting pipelines, optionally, one end of one connecting pipeline forms the insertion portion 22, and one end of the other connecting pipeline forms the sleeve portion 21.
  • Optionally, a position of the pipeline docking assembly 20 formed at the docking point between the two connecting pipelines is described as below. When each of the first straight pipe 621, the second straight pipe 622, and the third straight pipe 623 of the water tank diversion pipe 620 is one connecting pipeline, one pipeline docking assembly 20 is formed at the docking point between the first straight pipe 621 and the second straight pipe 622, and one pipeline docking assembly 20 is formed at the docking point between the second straight pipe 622 and the third straight pipe 623. Alternatively, when the water tank diversion pipe 620 is formed by splicing two sections of connecting pipelines, one pipeline docking assembly 20 is formed at the docking point between the two sections of connecting pipelines. The above merely exemplifies the position of the pipeline docking assembly 20 formed at the docking point between the two connecting pipelines, but the position of the pipeline docking assembly 20 formed at the docking point between the two connecting pipelines is not limited thereto. The pipeline docking assembly 20 of the embodiments of the present application may also be formed at the docking point between other connecting pipelines in the present application.
  • As shown in FIG. 5, the limit groove 20a is provided at an outer peripheral wall of the insertion portion 22, such that when the insertion portion 22 is inserted into the insertion hole 21a, the limit groove 20a corresponds to the limit hole 21b, allowing the limit member 23 to smoothly pass through the limit hole 21b and to be inserted into the limit groove 20a.
  • Optionally, the limit groove 20a is an annular limit groove 20a arranged around an outer periphery of the insertion portion 22, which facilitates the insertion of the limit member 23 into the limit groove 20a from multiple angles and the multi-angle connection between the insertion portion 22 and the sleeve portion 21, enhancing the assembly flexibility.
  • Optionally, the sleeve portion 21 has two limit holes 21b. In a direction perpendicular to the axial direction of the insertion hole 21a, one of the two limit holes 21b is arranged on one side of the insertion hole 21a, and the other limit hole 21b is arranged on the other side of the insertion hole 21a. The limit member 23 has one end that is inserted into one of the two limit holes 21b and the other end that is inserted into the other limit hole 21b, thereby improving stability of insertion of the limit member 23 into the limit groove 20a and improving stability of connection between the sleeve portion 22 and the sleeve portion 21. In this way, axial relative rotation of the sleeve portion 21 around the insertion hole 21a is prevented.
  • The limit member 23 is arranged around the outer periphery of the sleeve portion 21. During assembly, two ends of the limit member 23 respectively correspond to and are inserted into the two limit holes 21b, enabling single-step in-place insertion and facilitating disassembly.
  • The insertion portion 22 includes a rigid support portion 221 and a sealing ring (not shown in the figure). The sealing ring is sleeved on an outer periphery of the rigid support portion 221, and the sealing ring abuts against an outer wall surface of the rigid support portion 221 and an inner wall surface of the sleeve portion 21 respectively to seal a gap between the insertion portion 22 and the sleeve portion 21. The rigid support portion 221 is configured to provide support for the sealing ring to ensure installation stability of the insertion portion 22 inserted into the sleeve portion 21. The limit groove 20a is formed on an outer surface of the rigid support portion 221.
  • An annular sealing groove 20c is formed on an outer peripheral wall of the rigid support portion 221, the sealing ring is arranged inside the annular sealing groove 20c, and the sealing ring is limited within the annular sealing groove 20c, to prevent the sealing ring from moving with respect to the rigid support portion 221 when the insertion portion 22 is inserted into the insertion hole 21a. In the annular sealing groove 20c, the sealing ring abuts against the wall surface of the rigid support portion 221 and the wall surface of the sleeve portion 21 defining the insertion hole 21a respectively, thereby ensuring a good sealing effect.
  • An outer surface of the insertion portion 22 includes a first end wall surface 20b, which is a surface of the insertion portion 22 that is the most deeply inserted into the insertion hole 21a. When the insertion portion 22 is inserted into the insertion hole 21a, the first end wall surface 20b, the limit groove 20a, and the annular sealing groove 20c are all positioned in the insertion hole 21a. Wherein, a distance from the annular sealing groove 20c to the first end wall surface 20b is smaller than a distance from the limit hole 21b to the first end wall surface 20b, such that the rigid support portion 221 can be inserted into the insertion hole 21a as much as possible, to improve the stability of the insertion portion 22 inserted into the sleeve portion 21, and ensure a good sealing effect of the sealing ring.
  • The hydraulic module of the embodiments of the present application further includes a heat-insulating support member, which is configured to provide support for the functional component of the hydraulic module 10. The heat-insulating support member has heat insulation properties, and the heat-insulating support member is arranged on the outer periphery of the functional component, which can prevent water vapor from condensing on the surface of the functional component and reduce humidity inside the casing 100 of the hydraulic module 10.
  • In the horizontal direction, the expansion vessel 200 and the heat exchange device 300 are positioned on the same side of the water tank 400. In the direction of gravity G, the expansion vessel 200 is positioned above the heat exchange device 300, and the heat exchange device 300 is mounted in the casing 100. The water pump 500 is positioned below the water tank 400 and is mounted in the casing 100. The heat-insulating support member is arranged in the casing 100. Referring to FIG. 6 and FIG. 7, the heat-insulating support member has a first conforming space 30a for installing the expansion vessel 200 and a second conforming space 30b for installing the water tank 400.
  • In the present application, the expansion vessel 200, the heat exchange device 300, the water pump 500, and the water tank 400 are positioned, such that the heat exchange device 300 and the water pump 500 are mounted in a lower region of the casing 100 in the direction of gravity G, while the expansion vessel 200 and the water tank 400 are positioned in an upper region of the casing 100 in the direction of gravity G. In this way, the expansion vessel 200 and the water tank 400 do not need to be directly mounted in the casing 100, which simplifies the structure for fixing the expansion vessel 200 and the water tank 400, and makes the hydraulic module 10 simple and compact in structure. Further, the heat-insulating support member is provided to support the expansion vessel 200 and the water tank 400, and the heat-insulating support member has heat insulation properties, which can at least reduce the amount of the water vapor condensed on the surfaces of the expansion vessel 200 and the water tank 400, and thus effectively improve air humidity inside the casing 100.
  • The heat-insulating support member includes a first plate body 31, which has a first conforming space 30a and a second conforming space 30b. The first conforming space 30a is a first conforming groove adapted to the expansion vessel 200, and optionally, the expansion vessel 200 is clamped in the first conforming space 30a. The second conforming space 30b is a second conforming groove adapted to the water tank 400, and optionally, the water tank 400 is clamped in the second conforming space 30b. Further, parts of both the expansion vessel 200 and the water tank 400 away from the first plate body 31 come into contact with a wall surface of the casing 100 or other structural members of the hydraulic module 10 to improve the installation stability of the expansion vessel 200 and the water tank 400.
  • The heat-insulating support member includes a first plate body 31 and a second plate body 32, wherein the first plate body 31 and the second plate body 32 enclose to define the first conforming space 30a and the second conforming space 30b. In the direction of gravity G, the first plate body 31 and the second plate body 32 are positioned in the upper region of the accommodating cavity 100a of the casing 100. The first plate body 31 and the second plate body 32 may also cover other components positioned in the upper region of the accommodating cavity 100a of the casing 100 to thermally insulate these components.
  • At least one of the first plate body 31 and the second plate body 32 is secured to the casing 100 to prevent the first plate body 31 and the second plate body 32 from moving with respect to the casing 100, thereby maintaining the installation stability of the expansion vessel 200 and the water tank 400. For example, the first plate body 31 is fixed to the casing 100, and the second plate body 32 is clamped to the first plate body 31, to fix the first plate body 31 and the second plate body 32. Alternatively, both the first plate body 31 and the second plate body 32 abut against the inner wall surfaces of the casing 100 to fix the positions of the first plate body 31 and the second plate body 32 with respect to the casing 100. Still alternatively, the first plate body 31 and the second plate body 32 are mounted to other structural members in the casing 100, to fix the positions of the first plate body 31 and the second plate body 32 with respect to the casing 100.
  • The heat-insulating support member further includes a third plate body 33, which is arranged below the first plate body 31 in the direction of gravity G. The third plate body 33 is docked to the first plate body 31 to define a diversion pipe conforming groove 30c for accommodating the water tank diversion pipe 620. The heat-insulating support member is configured to thermally insulate the water tank diversion pipe 620 to prevent the water vapor from condensing on the surface of the water tank diversion pipe 620. Furthermore, the first plate body 31 and the third plate body 33 can provide support for the water tank diversion pipe 620, thereby improving stability of connection between the water tank diversion pipe 620 and the second water outlet connection port 420 and stability of connection between the water tank diversion pipe 620 and the suction end 510 of the water pump 500.
  • When the water tank diversion pipe 620 includes the first straight pipe 621, the second straight pipe 622, and the third straight pipe 623, the second straight pipe 622 of the water tank diversion pipe 620 is accommodated in the diversion pipe conforming groove 30c. Optionally, the first straight pipe 621 and the third straight pipe 623 are at least partly accommodated in the diversion pipe conforming groove 30c, to improve support stability of the heat-insulating support member for the water tank diversion pipe 620.
  • When the fluid in the water tank 400 is transported by the water pump 500, condensation may occur on the outer surface of the water pump 500 due to temperature differences. Optionally, the third plate body 33 has a pump body conforming groove 30h for accommodating the water pump 500. The third plate body 33 thermally insulates the water pump 500 and supports the water pump 500, thereby improving the installation stability of the water pump 500 during operation.
  • The heat-insulating support member further includes a fourth plate body 34, which is positioned below the first plate body 31 in the direction of gravity G. The fourth plate body 34 is docked to the third plate body 33 to define an input pipe conforming channel 30d for accommodating the refrigerant input pipe 704 and an output pipe conforming channel 30e for accommodating the refrigerant output pipe 705. In this way, the refrigerant input pipe 704 and the refrigerant output pipe 705 can be thermally insulated more comprehensively to reduce heat loss of the refrigerant before entering the refrigerant flow passage, thereby saving energy. Optionally, on a side of the third plate body 33 away from the water pump 500, part of the fourth plate body 34 is stacked with the third plate body 33. Parts of the third plate body 33 and the fourth plate body 34 stacked with each other jointly define the input pipe conforming channel 30d and the output pipe conforming channel 30e.
  • The fourth plate body 34 is also docked to the first plate body 31. The fourth plate body 34 can provide support for the first plate body 31 from below, and expand the area covered by the heat-insulating support member, thereby improving heat insulation effects.
  • The heat-insulating support member further includes a fifth plate body 35 and a sixth plate body 36. The fifth plate body 35 is arranged on a side of the heat exchange device 300 away from the water pump 500, and the sixth plate body 36 is connected to the fourth plate body 34 and the fifth plate body 35. The fourth plate body 34, the fifth plate body 35 and the sixth plate body 36 define a heat exchange space 30f for accommodating the heat exchange device 300, to provide more comprehensive protection for the heat exchange device 300, to reduce the heat loss of the heat exchange device 300, and to minimize condensation on the outer surface of the heat exchange device 300.
  • Optionally, the sixth plate body 36 includes a first heat insulation portion, which is arranged on a side of the heat exchange device 300 away from the fifth plate body 35. The first heat insulation portion has an opening to avoid the first water inlet connection port 310, the first water outlet connection port 320, the refrigerant input connection port 330 and the refrigerant output connection port 340. The sixth plate body 36 further includes a second heat insulation portion, which is positioned on a side of the heat exchange device 300 away from the fourth plate body 34. The second heat insulation portion is connected to the first heat insulation portion, wherein one end of the second heat insulation portion away from the first heat insulation portion comes into contact with the fifth plate body 35. The first heat insulation portion, the second heat insulation portion, the fourth plate body 34 and the fifth plate body 35 jointly define the heat exchange space 30f for accommodating the heat exchange device 300.
  • Further, the sixth plate body 36 further includes a third heat insulation portion arranged on a side of the heat exchange device 300 away from the bottom wall 120, and the third heat insulation portion is connected to the first heat insulation portion and the second heat insulation portion. The sixth plate body 36 further includes a fourth heat insulation portion arranged on a side of the heat exchange device 300 facing the bottom wall 120, and the fourth heat insulation portion is connected to the first heat insulation portion and the second heat insulation portion. The third heat insulation portion and the fourth heat insulation portion come into contact with the fourth plate body 34 and the fifth plate body 35, respectively. The first heat insulation portion, the second heat insulation portion, the third heat insulation portion, the fourth heat insulation portion, the fourth plate body 34 and the fifth plate body 35 jointly define the heat exchange space 30f, to provide more comprehensive heat insulation protection for the heat exchange device 300.
  • In some other embodiments, the sixth plate body 36 may also merely include the first heat insulation portion, the third heat insulation portion, and the fourth heat insulation portion. The second plate body 32 extends to cover a side of the heat exchange device 300 away from the fourth plate body 34. The second plate body 32, the first heat insulation portion, the third heat insulation portion, the fourth heat insulation portion and the fifth plate body 35 jointly define the heat exchange space 30f.
  • Each plate body (including the first plate body 31, the second plate body 32, the third plate body 33, the fourth plate body 34, the fifth plate body 35, and the sixth plate body 36) of the heat-insulating support member abuts against a surface of a corresponding functional component to limit the position of the functional component and provide support for the functional component. For example, each plate body of the heat-insulating support member may be connected to an adjacent plate body to fix positions of two adjacent plate bodies. Alternatively, each plate body of the heat-insulating support member abuts against the inner wall surface of the casing 100 to fix the positions of the two adjacent plate bodies. Alternatively, a combined installation manner is used, in which each plate body of the heat-insulating support member is connected to an adjacent plate body and abuts against the inner wall surface of the casing 100, to fix the positions of the two adjacent plate bodies.
  • The hydraulic module 10 further includes an electric control box 800 in which a conductive element is provided. In the direction of gravity G, a distance from the electric control box 800 to the top wall 110 is smaller than a distance from the electric control box 800 to the bottom wall 120. The electric control box 800 is arranged in the upper region of the accommodating cavity 100a of the casing 100, to prevent the conductive element from being short-circuited in a wet region at the bottom of the accommodating cavity 100a. The electric control box 800 is arranged on an outer side the heat-insulating support member, and the electric control box 800 abuts against the heat-insulating support member, for example, the electric control box 800 abuts against the second plate body 32, or the electric control box 800 abuts against the second plate body 32 and the sixth plate body 36, to improve the installation stability for each plate body of the heat-insulating support member.
  • The front side wall may be opened or closed. Optionally, the electric control box 800 is arranged on the front side wall, and the electric control box 800 can move with the front side wall. After the front side wall is opened, the second plate body 32, the fifth plate body 35 or other plate bodies of the heat-insulating support member can be disassembled to inspect and repair the components in the casing 100, which is convenient for operation.
  • The heat-insulating support member is a polypropylene foam board having good structural strength, can provide stable support for the functional components and achieve good heat insulation effect. Alternatively, in some other embodiments, the heat-insulating support member includes a rigid support shell and a heat-insulating material layer filled in the internal space of the rigid support shell.
  • The integrated pipeline subsystem includes a plurality of pipeline connection ports 640 docked to the external system. For example, the pipeline connection ports 640 of the integrated pipeline subsystem include, but are not limited to, connection ports correspondingly connected to pipelines such as the refrigerant input pipe 704, the refrigerant output pipe 705, the expansion diversion pipe 630, and the discharge end 520 of the water pump 500.
  • The hydraulic module 10 further includes a mounting plate body 140, which is mounted on the side wall 130. As shown in FIG. 8, an intermediate region of the mounting plate body 140 is provided with a plurality of docking openings 140a docked to the plurality of pipeline connection ports 640. Referring to FIG. 3 and FIG. 4 again, each pipeline connection port 640 has a connection port flange portion 64. When the pipeline connection ports 640 are docked to the external system through the docking openings 140a, the connection port flange portion 64 comes into contact with the mounting plate body 140 to transfer at least part of stress applied to the integrated pipeline subsystem to the mounting plate body 140. For example, the stress applied to the integrated pipeline subsystem include stress generated in a process, such as during vibration of the connecting pipelines, during assembly of the connecting pipelines, and during deformation of the connecting pipelines. The stress applied to the integrated pipeline subsystem is transmitted to the mounting plate body 140 through the connection port flange portion 64, thereby reducing damages caused by the stress to the integrated pipeline subsystem and improving the installation stability of the integrated pipeline subsystem. The connection port flange portion 64 transmits the vibration of the integrated pipeline subsystem to the mounting plate body 140, which can also effectively reduce noises.
  • Each of the pipeline connection ports 640 passes through one of the docking openings 140a, and is fixed to the mounting plate body 140. Liquids condensed on the outer surfaces of the components of the integrated pipeline subsystem flow to the pipeline connection port 640 under the action of gravity, and flow into the mounting plate body 140 along the surfaces of the pipeline connection ports 640. The plurality of docking openings 140a of the mounting plate body 140 are provided in the intermediate region of the mounting plate body 140, and the plurality of pipeline connection ports 640 of the integrated pipeline subsystem are concentrated and mounted in the intermediate region of the mounting plate body 140 to prevent the pipeline connection ports 640 from coming into contact with the inner wall surface of the casing 100, thereby avoiding occurrence of an undesired case where the liquids condensed on the surfaces of the components of the integrated pipeline subsystem flow to the bottom wall 120 along the inner wall surface of the casing 100 and cannot successfully drain out from the bottom wall 120. Thus, the mounting plate body 140 can more comprehensively collect water droplets dripping from the surfaces of the functional components and the surfaces of the components of the integrated pipeline subsystem, such that more water vapor can drain out through the mounting plate body 140, thereby reducing the humidity of the internal space of the casing 100.
  • The mounting plate body 140 includes a water receiving main body portion 142 and a plurality of protruding portions 141 protruding from a surface of the water receiving main body portion 142, wherein each of the protruding portions 141 has one docking opening 140a. When the pipeline connection ports 640 are mounted respectively corresponding to the docking openings 140a, the water flow can flow to the water receiving main body portion 142 through the surfaces of the pipeline connection ports 640 and the surfaces of the protruding portions 141 in sequence, and the water flow is prevented from flowing to the docking openings 140a.
  • Each pipeline connection port 640 is fixed to at least one of the water receiving main body portion 142 and the protruding portions 141. For example, the pipeline connection port 640 is fixed to the protruding portion 141, which not only improves stability of the pipeline connection port 640 fixed to the mounting plate body 140 but also improves sealing performance of the connection between the pipeline connection port 640 and the mounting plate body 140.
  • The hydraulic module 10 further includes a connection port sealing gasket, which is arranged between the pipeline connection port 640 and the protruding portion 141. The connection port sealing gasket seals a gap between the pipeline connection port 640 and the protruding portion 141 to prevent the water vapor from entering the docking opening 140a from the gap between the pipeline connection port 640 and the protruding portion 141.
  • The mounting plate body 140 has a water collection groove 140c and a water drainage opening 142a. The water drainage opening 142a is provided in the bottom wall 120 of the water collection groove, such that the water flowing into the water collection groove drains out through the water drainage opening 142a to external space. In the direction of gravity G, the water drainage opening 142a is lower than the docking opening 140a, to further prevent the water gathered in the water collection groove 140c from overflowing into the docking openings 140a. For example, the water drainage opening 142a is provided in the surface of the water receiving main body portion 142.
  • The pressure relief pipe 706 communicating with the pressure relief valve 703 passes through the water drainage opening 142a to communicate with the outside atmosphere, and the opening through which the pressure relief pipe 706 passes is the same opening as the water drainage opening 142a. In this way, the structure of the mounting plate body 140 is simplified, and the number of the openings on the mounting plate body 140 is reduced, thereby further reducing occurrence of the water falling from the opening of the mounting plate body 140 to the bottom wall 120 of the casing 100.
  • Optionally, an outer diameter of the pressure relief pipe 706 is smaller than an inner diameter of the water drainage opening 142a, and thus the water in the water collection groove 140c can flow out from the outer surface of the pressure relief pipe 706 and the wall surface of the mounting plate body 140 defining the water drainage opening 142a. In some other embodiments, the outer surface of part of the pressure relief pipe 706 passing through the water drainage opening 142a is provided with an opening or a groove, such that the water in the water collection groove 140c can drain out through the opening or the groove in the outer surface of the pressure relief pipe 706.
  • Optionally, the pipeline connection port 640 passes through one of the docking openings 140a, and the connection port flange portion 64 at least partially covers the corresponding docking opening 140a and is connected to the surface of the mounting plate body 140. For example, the connection port flange portion 64 covers the corresponding docking opening 140a to seal the docking opening 140a. The connection port flange portion 64 can also guide the water to flow into the water collection groove 140c of the mounting plate body 140. The connection port flange portion 64 is shaped like at least one of a block, a sheet, and a column.
  • The connection port flange portion 64 extends in a direction away from the central axis of the docking opening 140a. Optionally, the connection port flange portion 64 is fixed to the mounting plate body 140, and increases the area of contact between the pipeline connection port 640 and the mounting plate body 140, thereby improving the installation stability of the pipeline connection port 640.
  • Optionally, the connection port flange portion 64 covers the protruding portion 141 and is fixed to the protruding portion 141; or the connection port flange portion 64 covers the protruding portion 141 and extends to connect to the water receiving main body portion 142, such that a distance from an outer edge of the connection port flange portion 64 to the docking opening 140a is larger, to further reduce probability of water retention in the docking opening 140a. For example, the connected portions of the connection port flange portion 64 and the water receiving main body portion 142 are fixed by screws.
  • Optionally, the pipeline connection port 640 includes a main pipe body 65, which passes through the docking opening 140a and is mounted on the mounting plate body 140. The connection port flange portion 64 is provided on an outer periphery of the main pipe body 65, and the connection port flange portion 64 comes into contact with the mounting plate body 140, or the connection port flange portion 64 is mounted and fixed to the mounting plate body 140. The connection port flange portion 64 is integrally formed with the main pipe body 65; or the connection port flange portion 64 is detachably mounted on the main pipe body 65.
  • The main pipe body 65 passes through the docking opening 140a from the accommodating cavity 100a to extend out of the casing 100 to be docked to the external system. Alternatively, the main pipe body 65 is provided in a split type. Specifically, one section of the main pipe body 65 is arranged in the accommodating cavity 100a, and the other section of the main pipe body 65 is arranged on an outer side of the casing 100 to be docked with the external system, to facilitate the docking between the pipeline connection port 640 and the external system.
  • As shown in FIG. 3, when the main pipe body 65 is provided in the split type, the main pipe body 65 includes two docked sections. Specifically, the pipeline connection port 640 includes a first connection port 6401 and a second connection port 6402. The first connection port 6401 is arranged in the accommodating cavity 100a, and the second connection port 6402 is arranged on the outer side of the casing 100 at a position corresponding to the docking opening 140a. The first connection port 6401 includes a first pipe body 643 and a first flange portion 641 arranged on an outer periphery of the first pipe body 643, and the second connection port 6402 includes a second pipe body 644 and a second flange portion 642 arranged on an outer periphery of the second pipe body 644. The first pipe body 643 is docked to the second pipe body 644 to form the main pipe body 65, which passes through the docking opening 140a and is mounted on the mounting plate body 140. The first flange portion 641 and the second flange portion 642 are arranged on two opposite sides of the docking opening 140a, respectively. Both the first flange portion 641 and the second flange portion 642 come into contact with the mounting plate body 140, and the first flange portion 641 and the second flange portion 642 form the connection port flange portion 64. In this way, the area of contact between the connection port flange portion 64 and the mounting plate body 140 is larger, which helps to improve the installation stability of the pipeline connection port 640 mounted at the docking opening 140a, and achieve a better cushioning effect on the stress of the integrated pipeline subsystem.
  • Optionally, the second pipe body 644 passes through the docking opening 140a and then is inserted into a flow passage of the first pipe body 643. The first flange portion 641 and the second flange portion 642 respectively abut against the mounting plate body 140. The first flange portion 641 and the second flange portion 642 can increase the area of contact, thereby improving the installation stability of the pipeline connection port 640 mounted at the docking opening 140a and better cushioning the stress.
  • The mounting plate body 140 includes a folding portion 143 connected to the outer periphery of the water receiving main body portion 142, and the folding portion 143 fits to an inner wall surface of the side wall 130. The folding portion 143, the water receiving main body portion 142 and the protruding portion 141 define the water collection groove 140c, and the water collection groove 140c has a depth in the direction of gravity G, such that the water collection groove 140c can store a certain volume of accumulated water, thereby preventing the accumulated water in the water collection groove 140c from overflowing the water collection groove 140c.
  • An edge region of the mounting plate body 140 comes into contact with the inner wall surface of the side wall 130, specifically, the folding portion 143 of the mounting plate body 140 comes into contact with the inner wall surface of the side wall 130, such that the mounting plate body 140 corresponds to more functional components in the lower region of the casing 100, thereby more comprehensively collecting the water droplets dripping from the functional components.
  • The folding portion 143, the water receiving main body portion 142 and the protruding portions 141 are integrally arranged. For example, the folding portion 143, the water receiving main body portion 142 and the protruding portions 141 are integrally injection molded or integrally vacuum molded, with a simple process. Furthermore, the overall thickness of the mounting plate body 140 is smaller, so the mounting plate body 140 occupies a smaller space of the casing 100, which facilitates miniaturization design of the hydraulic module 10.
  • Optionally, the mounting plate body 140 is the bottom wall 120. Alternatively, the mounting plate body 140 includes a first mounting plate body 1401 and a second mounting plate body 1402, wherein the second mounting plate body 1402 is the bottom wall 120. The first mounting plate body 1401 is arranged in the accommodating cavity 100a, and the first mounting plate body 1401 is mounted on the bottom wall 120. By using the split design, it is conducive to further cushioning the stress applied to the integrated pipeline subsystem.
  • When the mounting plate body 140 includes the first mounting plate body 1401 and the second mounting plate body 1402, the first mounting plate body 1401 and the second mounting plate body 1402 each have a plurality of first openings. The plurality of first openings of the first mounting plate body 1401 correspond one-to-one to the plurality of first openings of the second mounting plate body 1402, and each first opening of the first mounting plate body 1401 and the corresponding first opening of the second mounting plate body 1402 jointly form the docking opening 140a. The first mounting plate body 1401 and the second mounting plate body 1402 each have a second opening, and the second opening of the first mounting plate body 1401 corresponds to the second opening of the second mounting plate body 1402, and the two second openings jointly form the water drainage opening 142a. The first mounting plate body 1401 and the second mounting plate body 1402 each include a straight portion, and the straight portion of the first mounting plate body 1401 and the straight portion of the second mounting plate body 1402 are stacked with each other, and jointly form the water receiving main body portion 142. The first mounting plate body 1401 includes first protrusions protruding toward a side away from the second mounting plate body 1402, and the first protrusions form the protruding portions 141. Alternatively, the first mounting plate body 1401 includes the first protrusions, and the second mounting plate body 1402 includes second protrusions. When the straight portion of the first mounting plate body 1401 and the straight portion of the second mounting plate body 1402 are stacked with each other, the second protrusions correspond to the first protrusions, and form the protruding portions 141 jointly with the first protrusions. Further, the second protrusions and the first protrusions protrude towards a side where the functional components in the accommodating cavity 100a are positioned, and the second protrusions come into contact with the first protrusions.
  • The embodiments of the present application also provide a heat pump system, which includes the hydraulic module 10 as described above. The water flow in the internal space of the functional components of the hydraulic module 10 can drain out more fully, and the humidity inside the casing 100 of the hydraulic module 10 can be lower. The components of the hydraulic module 10 of the embodiments of the present application can be in a relatively dry and good environment, such that the hydraulic module 10 has good stability in use, and thus the heat pump system mounted with the hydraulic module 10 also has good stability in use.
  • The same or similar reference numbers in the accompanying drawings of this embodiment correspond to the same or similar components. In the description of the present application, it should be understood that if there are terms such as "up", "down", "left", and "right" indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, it is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the language used to describe the positional relationships in the accompanying drawings is only for illustrative purposes and cannot be understood as a limitation on this patent. For those of ordinary skill in the art, the specific meanings of the terms may be understood according to specific situations.
  • The embodiments set forth above are only illustrated as preferred embodiments of the present application, and are not intended to limit the present application. All modifications, equivalent substitutions and improvements made within the spirit and principles of the present application shall fall within the protection scope of the present application.

Claims (20)

  1. A hydraulic module, comprising:
    an expansion vessel having an expansion port;
    a heat exchange device having a first water inlet and a first water outlet;
    a water tank having a second water inlet and a second water outlet; and
    a water pump having a suction end,
    wherein: in a direction of gravity, the water pump is positioned below the water tank; the expansion vessel is positioned above the heat exchange device; the expansion port of the expansion vessel communicates with the first water inlet; the first water inlet is lower than the first water outlet; the first water outlet communicates with the second water inlet, and the first water outlet is lower than or flush with the second water inlet; the second water inlet is lower than the second water outlet; and the second water outlet communicates with the suction end of the water pump.
  2. The hydraulic module according to claim 1, wherein in a horizontal direction, both the first water inlet and the first water outlet are oriented towards a side where the water tank is located, and both the second water inlet and the second water outlet are oriented towards a side where the heat exchange device is located.
  3. The hydraulic module according to claim 2, wherein in the direction of gravity, the first water inlet and the first water outlet are arranged side by side along a first straight line, and the second water inlet and the second water outlet are arranged side by side along a second straight line, the first straight line being parallel to the second straight line.
  4. The hydraulic module according to claim 3, further comprising:
    a transition pipe communicating with the first water outlet and the second water inlet, wherein the transition pipe is a straight transition pipe, wherein an axial direction of the straight transition pipe is perpendicular to the first straight line and the second straight line, and a central axis of the straight transition pipe is positioned in a plane defined by the first straight line and the second straight line.
  5. The hydraulic module according to claim 3, further comprising:
    a transition pipe communicating with the first water outlet and the second water inlet; and
    a water tank diversion pipe comprising a first straight pipe, a second straight pipe, and a third straight pipe,
    wherein: an axial direction of the first straight pipe is perpendicular to the second straight line, and the first straight pipe is connected to the second water outlet; the second straight pipe is connected to the first straight pipe, and the second straight pipe extends from the first straight pipe in a direction parallel to the second straight line to pass through an outer side of the transition pipe and extends to connect to the third straight pipe; and the third straight pipe extends from the second straight pipe in a direction angled to the first straight line to connect to the suction end of the water pump.
  6. The hydraulic module according to claim 5, wherein:
    the second straight pipe has one end directly connected to the first straight pipe, and an other end directly connected to the third straight pipe; or
    the water tank diversion pipe further comprises a first connecting pipe section connected between the first straight pipe and the second straight pipe and a second connecting pipe section connected between the second straight pipe and the third straight pipe, the first connecting pipe section being a straight pipe or a bent pipe, and the second connecting pipe section being a straight pipe or a bent pipe.
  7. The hydraulic module according to claim 1, further comprising:
    an expansion diversion pipe having a first pipe section and a second pipe section, wherein: the second pipe section is arranged on the first pipe section and internal flow passages of the first pipe section and the second pipe section communicate with each other; the second pipe section communicates with the first water inlet; and the first pipe section has one end that communicates with the expansion port of the expansion vessel and an other end that communicates with an external water source.
  8. The hydraulic module according to claim 7, wherein: in the direction of gravity, the expansion port of the expansion vessel is oriented towards a side where the heat exchange device is located; and the hydraulic module further comprises:
    a transition pipe communicating with the first water outlet and the second water inlet; and
    an expansion pipe connected to the expansion port and extending from the expansion port to pass through an outer side of the transition pipe and extending to connect to the first pipe section.
  9. The hydraulic module according to claim 8, further comprising:
    a pressure gauge arranged at one end of the first pipe section communicating with the expansion port of the expansion vessel; and
    a pressure relief valve arranged at one end of the first pipe section communicating with the external water source.
  10. The hydraulic module according to claim 1, wherein the heat exchange device further comprises:
    a refrigerant inlet arranged adjacent to the first water outlet; and
    a refrigerant outlet arranged adjacent to the first water inlet,
    wherein in a horizontal direction, both the refrigerant inlet and the refrigerant outlet are oriented towards a side where the water tank is located, and in the direction of gravity, the refrigerant inlet and the refrigerant outlet are arranged side by side along a third straight line.
  11. The hydraulic module according to claim 10, wherein:
    the hydraulic module further comprises:
    a casing having an accommodating cavity, wherein the expansion vessel, the heat exchange device, the water tank and the water pump are all arranged in the accommodating cavity, and the casing comprises a bottom wall having a plurality of pipeline installation openings;
    a refrigerant input pipe communicating with the refrigerant inlet;
    a refrigerant output pipe communicating with the refrigerant outlet; and
    an expansion diversion pipe communicating with the first water inlet; and
    the water pump has a discharge end communicating with outside,
    wherein each of the discharge end, the refrigerant input pipe, the refrigerant output pipe and the expansion diversion pipe corresponds to one of the plurality of pipeline installation openings.
  12. The hydraulic module according to claim 1, comprising:
    a casing having an accommodating cavity;
    an integrated pipeline subsystem including a plurality of connecting pipelines and arranged in the accommodating cavity; and
    a plurality of functional components arranged in the accommodating cavity, wherein two of the plurality of functional components communicate with each other through at least one of the plurality of connecting pipelines, and the plurality of functional components comprise at least one of the water tank, the expansion vessel, the heat exchange device and the water pump,
    wherein the plurality of functional components and the casing jointly define a pipeline accommodating space, wherein: at least part of the pipeline accommodating space is positioned between at least two of the plurality of functional components; a pipeline docking assembly is formed at a connection between each of the plurality of connecting pipelines arranged in the pipeline accommodating space and one of the plurality of functional components; or a pipeline docking assembly is formed at a connection between adjacent two of the plurality of connecting pipelines arranged in the pipeline accommodating space.
  13. The hydraulic module according to claim 12, wherein the pipeline docking assembly comprises:
    a sleeve portion having an insertion hole and a limit hole, an angle being formed between an extension direction of the limit hole and an axial direction of the insertion hole;
    an insertion portion inserted into the insertion hole and sealing the insertion hole, the insertion portion having a limit groove docked to the limit hole; and
    a limit member passing through the limit hole and inserted into the limit groove,
    wherein: the pipeline docking assembly is formed at a docking point between the connecting pipeline and the functional component; an end of the connecting pipeline forms the sleeve portion; and a connection port of the functional component docked to the connecting pipeline forms the insertion portion.
  14. The hydraulic module according to claim 1, comprising:
    a casing having an accommodating cavity, the casing comprising a side wall for defining the accommodating cavity;
    an integrated pipeline subsystem arranged in the accommodating cavity, wherein the integrated pipeline subsystem comprises a pipeline connection port docked to an external system, the pipeline connection port having a connection port flange portion; and
    a mounting plate body arranged at a bottom of the accommodating cavity and fixedly connected to the side wall, wherein an intermediate region of the mounting plate body is provided with a docking opening corresponding to the pipeline connection port, and the pipeline connection port is mounted at the docking opening,
    wherein when the pipeline connection port is docked to the external system through the docking opening, the connection port flange portion comes into contact with the mounting plate body to transfer at least part of stress applied to the integrated pipeline subsystem to the mounting plate body.
  15. The hydraulic module according to claim 14, wherein the pipeline connection port comprises a first connection port and a second connection port, wherein the first connection port comprises a first pipe body and a first flange portion arranged on an outer periphery of the first pipe body, and the second connection port comprises a second pipe body and a second flange portion arranged on an outer periphery of the second pipe body,
    wherein: the first pipe body is docked to the second pipe body to form a main pipe body, the main pipe body passing through the docking opening and being mounted on the mounting plate body; the first flange portion and the second flange portion are respectively arranged on two opposite sides of the docking opening and respectively come into contact with the mounting plate body; and the first flange portion and the second flange portion form the connection port flange portion.
  16. The hydraulic module according to claim 1, further comprising a casing and a functional component, a connecting pipeline and a heat-insulating support member arranged in an internal space of the casing, wherein:
    the heat-insulating support member comes into contact with an inner wall surface of the casing, and the heat-insulating support member comprises a plurality of plate bodies arranged on an outer periphery of the functional component and an outer periphery of the connecting pipeline, wherein the plurality of plate bodies are spliced to define a conforming space, at least part of the functional component and at least part of the connecting pipeline being mounted in a region corresponding to the conforming space.
  17. The hydraulic module according to claim 16, wherein in the direction of gravity, a region at a top of the conforming space forms a first conforming region and a second conforming region, and the heat-insulating support member comprises a first plate body and a second plate body, wherein:
    the first plate body and the second plate body enclose in a horizontal direction to define the first conforming region and the second conforming region; and
    the expansion vessel is mounted in the first conforming region, and the water tank is mounted in the second conforming region.
  18. The hydraulic module according to claim 17, wherein:
    the conforming space comprises a diversion pipe conforming groove;
    the heat-insulating support member comprises a third plate body arranged below the first plate body in the direction of gravity, wherein the third plate body is docked to the first plate body to define the diversion pipe conforming groove;
    the connecting pipeline comprises a water tank diversion pipe mounted in the diversion pipe conforming groove, wherein the water tank diversion pipe has one end connected to the water tank, and an other end connected to the pump body; and
    the conforming space comprises a pump body conforming groove, wherein the water pump is arranged in the pump body conforming groove, and the third plate body further has the pump body conforming groove.
  19. The hydraulic module according to claim 18, wherein:
    the connecting pipeline comprises a refrigerant input pipe and a refrigerant output pipe, and the conforming space comprises an input pipe conforming channel, an output pipe conforming channel, and a heat exchange region, wherein the refrigerant input pipe is arranged in the input pipe conforming channel, and the refrigerant output pipe is arranged in the output pipe conforming channel;
    the heat-insulating support member comprises a fourth plate body arranged below the first plate body in the direction of gravity, wherein the fourth plate body and the third plate body are spliced in the horizontal direction to define the input pipe conforming channel and the output pipe conforming channel; and
    the heat-insulating support member further comprises a fifth plate body and a sixth plate body, wherein: the sixth plate body is arranged opposite to the fourth plate body in the horizontal direction and is positioned below the second plate body in the direction of gravity; the fifth plate body is connected between the fourth plate body and the sixth plate body; and the fourth plate body, the fifth plate body and the sixth plate body define the heat exchange region.
  20. A heat pump system, comprising the hydraulic module according to any one of claims 1 to 19.
EP24830640.9A 2023-06-30 2024-06-21 Hydraulic module and heat pump system Pending EP4711692A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN202321715793.6U CN221122580U (en) 2023-06-30 2023-06-30 Hydraulic module and heat pump system
CN202321715507.6U CN220303936U (en) 2023-06-30 2023-06-30 Hydraulic module and heat pump system
CN202321715829.0U CN220303937U (en) 2023-06-30 2023-06-30 Hydraulic module and heat pump system
CN202310803491.2A CN119222838B (en) 2023-06-30 2023-06-30 Hydraulic module and heat pump system
PCT/CN2024/100621 WO2025001995A1 (en) 2023-06-30 2024-06-21 Hydraulic module and heat pump system

Publications (1)

Publication Number Publication Date
EP4711692A1 true EP4711692A1 (en) 2026-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP24830640.9A Pending EP4711692A1 (en) 2023-06-30 2024-06-21 Hydraulic module and heat pump system

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Country Link
EP (1) EP4711692A1 (en)
WO (1) WO2025001995A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119914922B (en) * 2025-04-01 2025-06-17 佛山市顺德区基诺德电器制造有限公司 A miniaturized heat pump heating device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101610383B1 (en) * 2009-11-20 2016-04-07 엘지전자 주식회사 Indoor unit of Water circulation system associated with refrigerant cycle
CN206803383U (en) * 2017-05-05 2017-12-26 Tcl空调器(中山)有限公司 Hydraulic module and air conditioner
CN107339744A (en) * 2017-06-28 2017-11-10 宁波奥克斯电气股份有限公司 A kind of net for air-source heat pump units indoor set
EP4130600B1 (en) * 2020-03-23 2025-04-30 Carrier Japan Corporation Hot water generating device
CN216409307U (en) * 2021-12-21 2022-04-29 宁波奥克斯电气股份有限公司 An air source heat pump water heater
CN115355620B (en) * 2022-09-22 2025-10-28 珠海吉泰克物理科技有限公司 Heat pump casing heat exchange system
CN221122580U (en) * 2023-06-30 2024-06-11 广东美的暖通设备有限公司 Hydraulic module and heat pump system
CN220303937U (en) * 2023-06-30 2024-01-05 广东美的暖通设备有限公司 Hydraulic module and heat pump system
CN220152981U (en) * 2023-06-30 2023-12-08 广东美的暖通设备有限公司 Hydraulic module and heat pump system
CN220303936U (en) * 2023-06-30 2024-01-05 广东美的暖通设备有限公司 Hydraulic module and heat pump system

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